Traditional EDL methods often required physical "test points" or specialized deep-flash cables. Fastboot EDL V2 streamlines this by allowing users to transition from a standard Fastboot state into the Emergency Download state via software commands, provided the bootloader supports it. How to Use Fastboot EDL V2
You can successfully boot into the standard Fastboot interface (the fastboot bunny or text screen), but typing standard EDL commands yields an error. Prerequisites for Using Fastboot EDL v2 fastboot edl v2
If you're interested in learning more about Fastboot EDL V2 or want to get started with using the tool, here are some resources to check out: fastboot edl v2